public async Task <FileReference> AddFile(Stream fileData, string relativeFilePath)
{
string finalFilePath = Path.GetFullPath(Path.Combine(_rootPath, relativeFilePath));
FileStoreEntry entry = new FileStoreEntry(finalFilePath);
lock (this)
{
if (_entries.ContainsKey(finalFilePath))
{
throw new Exception("Files can't be added to the store more than once");
}
entry.FileUnreferenced += Entry_FileUnreferenced;
_entries.Add(finalFilePath, entry);
}
Directory.CreateDirectory(Path.GetDirectoryName(finalFilePath));
for (int i = 0; i < 10; i++)
{
try
{
using (FileStream cachedFileStream = File.OpenWrite(finalFilePath))
{
await fileData.CopyToAsync(cachedFileStream);
}
}
catch (IOException)
{
if (i == 9) // give up eventually
{
throw;
}
}
}
return(entry.AddRef());
}
public FileReference(FileStoreEntry entry)
{
_entry = entry;
}
public void Dispose()
{
_entry.Release();
_entry = null;
}
private void RemoveFile(FileStoreEntry entry)
{
_entries.Remove(entry.FilePath);
File.Delete(entry.FilePath);
}